Figure 6shows a bowl used for making ice cream. The walls of the bowl contain a liquid coolant. The bowl is cooled to –20 °C before the mixture is put in the bowl. The bowl causes the mixture to cool down and freeze. Figure 605.3Explain why the different thermal conductivities of metal and plastic are important in the design of the bowl.
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Figure 6shows a bowl used for making ice cream. The walls of the bowl contain a liquid coolant. The...
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